Dock construction.



No. 635,068. Patented Oct. |7,,l899.

v. WINDETT.

DOCK CONSTRUCTION. (Application filed. May 13, 1899.) (No Model.) 2SheetsF-Sheet I.

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DOCK C0N STBUCT10N. (Application filed May 13, 1899.) (No Model.)

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VICTOR l/VINDETT, OF CHICAGO, ILLINOIS.

oocK CONSTRUCTION.

SPECIFICATION forming part of Letters Patent No. 635,068, dated October17, 1899.

Application filed May 13, 1899.

T0 at whom 2175 may concern:

Beitknown that I, VICTOR WINDETT, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois,

have invented a new and useful Improvement the primary object of myimprovement is to provide a shallow concrete dock which shall be lessexpensive to construct and maintain and more durable than a timber dock.

My improved construction is shown in detail in the accompanyingdrawings, in which Figure 1 is a broken plan view; Fig. 2, a sectiontaken at the line 2 on Fig. 1 and viewed in the direction of the arrow;Fig. 3, a section taken at the line 3 on Fig. 2 and Viewed in thedirection of the arrow; Fig. 4, a section taken at the line 4 on Fig. 1viewed in the direction of the arrow and enlarged; Fig. 5, a brokensectional view showing a detail of the mooring-post anchorage; Fig. 6, abroken view showing in side elevation the preferred manner of fasteninga batter-pile to the grillage, and Fig. 7 a section taken at the line 7on Fig. 6 viewed in the direction of the arrow and enlarged. I

A A are piles driven in desired number and relation into the bed B toform longitudinal and transverse rows relative to a body of water, thelevel of which is indicated at w in Fig. 2. ,As shown, the piles arevertical, though they, and more especially those in the outerlongitudinal rows, may be slanting or battered, and, if desired, thespaces between the piles may be filled with broken stone or otherreinforcing material, as indicated at X in Fig. 2.

A denotes sheet-piling provided for the usual purpose just behind theline of piles A adjacent to the water and braced against said pilesthrough the medium of interposed wales a a. It is preferred also tostrengthen the foundation structure, as indicated in Fig. 2, through themedium of tie-rods I), passed through the transverse rows of piles Anear their upper ends and through wales c 0 extending along the outerlongitudinal rows of Serial N0.'7l6,781. (N0 model.)

the piles, the tie-rods being fastened at their projecting ends by nuts0'.

C is the grillage surmounting the piles A, composed of timbers d cl,laid along the tops of the longitudinal rows of the piles, and timbers dd, laid at intervals crosswise of the timbers d and fastened in place bydrift-bolts d driven through the crossing timbers at their intersectionsinto the piles in a manner to leave the upper expanded ends of the boltsprotruding for a purpose hereinafter described.

D is the concrete stepped top surmounting the grillage C, to which it isfirmly fastened by embedment in the concrete of the projecting ends ofthe drift-bolts d and also, if the concrete be spread in a plasticcondition, by its binding into the interstices of the grillage. It iswithin my invention, however, to form the top D separate from the dockstructure and place it and fasten it down upon the grillage. Either way,however, it is desirable to form the top in sections, as represented inFig. 1, each, say, about twenty-five feet in length, and connect thesections together at their abutting ends by tongue-and-groove joints, asindicated at o, since it is found that a continuous concrete top willcrack under the action of frost at about the intervals mentioned, and bythus forming it in sections cracking is prevented. v

For strengthening the structure the top should be anchored at intervalsthrough the medium of rods f, embedded toward one end in the concreteand extending transversely through the top, through the earth E back ofthe structure, and through an anchor-Wale F or deadman, fasten ed bynuts 6 against anchor-piles F, driven into the ground at a suitabledistance from the dock. For further strengthening the foundation batterpiles, one of which is indicated at A in Fig. 2, may be provided, and Ifasten each at its upper end by bolts 9 between pairs of short tim bersh h, fastened by bolts 9 g down upon the grillage-timbers d and embeddedin the concrete of the top. The face of the dock should be protected byfender-piles, one of which is shown at A fastened to the top D, andwales A and a guard-timber 7c is fastened on the upper side of the top Dto extend lengthwise thereof near its edge.

G is one of any desired number of mooringposts provided at suitableintervals on the top D. To avoid, under use of a mooringpost, tensionstrain on the concrete, which being brittle would tend to break it, Ianchor each mooring-post to the grillage and preferably, also, to theanchor-piles F. As shown, the support for each mooring-post is a pair oftimbers Z l, extending across and embedded in the concrete of the top Dand across a cap ti on piles 2'. The mooring-post is bolted through itsbase to the timbers land is anchored by rods m passing Verticallythrough the concrete top and each held at its lower end by a plate m,confined below a pair of blocks m extending across and fastened to thegrillage-timbers d and embedded in the concrete, and further anchorageto the grillage is afforded to the mooring-post by rods n, eachextending from the base of the post diagonally through the concrete topand similarly through a short timber or block 7%, laid across andfastened to the grillage-timbers d and embedded in the concrete, thediagonal rods being fasten ed at their lower ends by nuts 0 bearingagainst metal shoes 0, with which the respective corners of the timbersn are bound. For additionally anchoring each mooring-post rods 19 may beprovided, connecting it with the anchor-piles F, as indi- .cated.

What I claim as new, and desire to secure by Letters Patent, is-

1. In a dock structure, the combination with a pile foundation ofgrillage surmounting and fastened thereto, and a concrete topsurmounting and fastened on said grillage, said top being formed inlongitudinal sections connected by tongue-and-grooved joints at theirends, substantially as described.

2. In a dock structure, the combination with a pile foundation, ofgrillage comprising longitudinal timbers and transverse timbers on theupper ends of the piles and fastened together and to the piles by boltspassing through said timbers at their intersections into the piles andprotruding at their upper expanded ends beyond the upper surface of thegrillage, and a concrete top on said grillage and embedding the saidprotruding bolt ends, substantially as described.

3. In a dock structure, the combination with the pile foundation, ofgrillage comprising longitudinal timbers and transverse timbers on theupper ends of the piles and fastened together and to the piles by boltspassin g through said timbers at their intersections into the piles andprotruding at their upper expanded ends beyond the upper surface of thegrillage, a concrete top on said grillage and embedding the saidprotruding bolt ends, anchor-piling, and anchor-rods embedded in saidtop and extending and fastened to said anchor-piling, substantially asdescribed.

4. In combination with a dock structure comprising a pile foundationsurmounted by grillage carrying a concrete top, a mooringpost on saidtop and anchored to the grillage, substantially as and for the purposeset forth.

5. In combination with a dock structure comprising a pile foundationsurmounted by grillage carrying a concrete top, a mooringpost fastenedto timbers secured on said top, and vertical and diagonal anchor-rodsconnecting said post with the grillage and passing through said top,substantially as described. I

6. In combination With a dock structure comprising a pile foundationsurmounted by grillage carrying a concrete top anchored toanchor-piling, a mooring-post fastened to timbers secured on said top,vertical and diagonal anchor-rods connecting said post with the grillageand passing through said top, and anchor-rods connecting said post withthe anchor-piling, substantially as and for the purpose set forth.

7. In combination with a dock structure comprising a pile foundationsurmounted by grillage carrying a concrete top, a mooring.- postfastened to timbers secured on said top, blocks m and n embedded in theconcrete on said grillage, a rod m extending from the mooring-postthrough said top and terminating in a plate m confined against the undersides of said blocks m and a rod n extending from said post diagonallythrough said top and block a and fastened at its inner end by a nut 0bearing against a metal shoe 0 with which the corner of the block isbound, substantially as described.

VICTOR IVINDETT.

In presence of R. T. SPENCER, D. W. LEE.

